Loudspeaker



FIG. 1 is a left perspective view of the loudspeaker showing the new design;

FIG. 2 is a right perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a left elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings represent unclaimed portions of the loudspeaker and form no part of the claimed design. 

CLAIM The ornamental design for a loudspeaker, as shown and described. 